At the standard mix, the standard input price per finished goods unit is $2.53, and the standard number of input units per finished goods unit is 7. The firm's actually completed 30,000 finished goods units and used 111,834 input units.

What is the firm's yield variance?

NOTE: only input a number, without indicating favorability. For simplicity, the correct variance calculation will lead to a positive number. Just input that number, rounding the final answer to cents.